WSKG (https://wskg.org/npr_story_post/washington-state-builds-coronavirus-contact-tracing-fire-brigade/washington-says-it-will-launch-contact-tracing-teams-to-map-coronavirus-exposure-here-public-health-nurse-jennifer-morgan-right-checks-in-via-phone-with-a-patient-self-quarantined-at-home-in-febru/)